139385900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73361}}^1$

素因数の和:73394

約数の個数: 36

約数和(自身を含む): 318391080

約数和(自身を除く): 179005180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 73361, 146722, 293444, 366805, 733610, 1393859, 1467220, 1834025, 2787718, 3668050, 5575436, 6969295, 7336100, 13938590, 27877180, 34846475, 69692950, 139385900]

約数ペア:

[(1, 139385900), (2, 69692950), (4, 34846475), (5, 27877180), (10, 13938590), (19, 7336100), (20, 6969295), (25, 5575436), (38, 3668050), (50, 2787718), (76, 1834025), (95, 1467220), (100, 1393859), (190, 733610), (380, 366805), (475, 293444), (950, 146722), (1900, 73361)]